SOLUTION: Andrew is 4 years older than his younger sister, Tina and he is 5 years younger than his older brother Jeremy. The sum of the three children's ages is 34. How old is Andrew?

Question 1069370: Andrew is 4 years older than his younger sister, Tina and he is 5 years younger than his older brother Jeremy. The sum of the three children's ages is 34. How old is Andrew?
Answer by addingup(3677) (Show Source): You can put this solution on YOUR website!
T = A-4
J = A+5
---------------------
A+T+J = 34 substitute per above:
A+A-4+A+5 = 34
3A-4+5 = 34
3A = 33
A = 11
So Andrew is 11
Tina is 11-4 = 7
Jeremy is 11+5 = 16
------------------------
Check:
11+7+16 = 34 Correct
:
john
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